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Titolo:
Counterconditioning of an overshadowed cue attenuates overshadowing
Autore:
Blaisdell, AP; Denniston, JC; Savastano, HI; Miller, RR;
Indirizzi:
SUNY Binghamton, Dept Psychol, Binghamton, NY 13902 USA SUNY Binghamton Binghamton NY USA 13902 Psychol, Binghamton, NY 13902 USA Tufts Univ, Dept Psychol, Medford, MA 02155 USA Tufts Univ Medford MA USA02155 Univ, Dept Psychol, Medford, MA 02155 USA
Titolo Testata:
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIOR PROCESSES
fascicolo: 1, volume: 26, anno: 2000,
pagine: 74 - 86
SICI:
0097-7403(200001)26:1<74:COAOCA>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
BIOLOGICAL SIGNIFICANCE; STIMULUS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Miller, RR SUNY Binghamton, Dept Psychol, Binghamton, NY 13902 USA SUNY Binghamton Binghamton NY USA 13902 nghamton, NY 13902 USA
Citazione:
A.P. Blaisdell et al., "Counterconditioning of an overshadowed cue attenuates overshadowing", J EXP PSY A, 26(1), 2000, pp. 74-86

Abstract

In 3 Pavlovian conditioned lick-suppression experiments, rats received overshadowing treatment with a footshock unconditioned stimulus such that Conditioned Stimulus (CS) A overshadowed CS X. Subjects that subsequently received CS X paired with an established signal far saccharin (CS B) exhibited less overshadowing of the X-footshock association than subjects that did notreceive the X-B pairings (Experiment I). Experiment 2 replicated this effect and controlled for some additional alternative accounts of the phenomenon. In Experiment 3, this recovery from overshadowing produced by counterconditioning CS X was attenuated if CS B was massively extinguished prior to counterconditioning. These results are more compatible with models of cue competition that emphasize differences in the expression of associations thanthose that emphasize differences in associative acquisition.

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Documento generato il 06/07/20 alle ore 08:51:40